Left hand bass comes naturally to any competent piano player...it's part of what you learn.
Bass pedals are the way to go...frees up the left hand for chording...especially whilst you solo.
Can't understand why more pros don't use them.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.